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    <script>
        var arr=[34,35,3,64,78,95,58,54]
        var temp
        for(var j=1;j<arr.length;j++){
            for(var i=0;i<arr.length-1;i++)
            {
            if(arr[i]<arr[i+1])
            {
             temp=arr[i]
             arr[i]=arr[i+1]
             arr[i+1]=temp
            }
         }
        }
    console.log(arr);
    </script>
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